masks, droplets, aerosols and all that

You’ve got to pay attention to a professor named Siddhartha. But this is Verma not Gautama

and he’s currently studying fluid dynamics at Florida Atlantic University.

In this video, he explains and demonstrates clearly what all this COVID particle transmission and control is all about. Notice that masks are all about protecting others from you, not you from others. So those nervous Nellies walking up my way as I walk down Broadway hill and stop to put on their masks are wasting their time.

It’s not long, and the images of particles being projected are pretty amazing.

Published by rike52

I retired from the Rheumatology division of Michigan Medicine end of June '19 after 36 years there. Upon hitting Ann Arbor for the second time (I went to school here) it took me almost 8 months to meet Kathy, 17 months to buy her a house (on Harbal, where we still live), and 37 months to marry her. Kids never came, but we've been blessed with a crowd of colleagues, friends, neighbors and family that continues to grow. Lots of them are going to show up in this log eventually. Stay tuned.

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